Tetra Whisper Bio-Bag Filter Cartridges for Aquariums Medium

Tetra Whisper Bio-Bag Cartridge replacements complete the Whisper Power Filter package for a clean, easy-to-maintain aquarium. Filled with ultra-activated carbon, these ready-to-use disposable filter cartridges remove waste particles, odors, and discoloration for crystal clear water. Genuine Whisper filter medium replacement filter cartridge Keeps water crystal clear Removes odors and discoloration Replace filter cartridges monthly Dense dual-sided mesh filters debris and fish waste Bio-Bag cartridges are tough on the debris that makes aquariums nasty. Ultra-activated carbon absorbs odors and discoloration and dense, dual-sided mesh catches debris and fish waste better than other brands to keep your fish tank clean. Replace cartridges once a month for maximum filter efficiency. These disposable filter cartridges are easy to use and work to help keep your fish tank in tip-top condition. The ultra-activated carbon is designed to remove discoloration, contaminants, and foul odors while th